iMessage not working right...need help

My iMessage isn't syncing properly between my phone, iPad and iMac.

It's interesting because I can send and receive messages, but the syncing is off. Example - If I send a text on my phone and get a response, I see the sent message and response on my phone, however on my Mac and iPad, I only see the response, not what I sent.

Its the same across all the devices, if I send from my mac, I only see the response on my phone and ipad, but on the iMac, I see the sent message and response. Its very weird. I only see the sent messages from the device I sent it from, it used to show my sent messages on all devices, now I only see responses....very frustrating

I have tried turning off iMessage on all devices and logging back in, but its still doing it. Curious if this has happened with anyone else and if anyone has any idea on solutions, please send em my way because I am at a loss.

Ty